This function converts the loongraph object to one of class graph and the plots it with its respective plot method.
# S3 method for loongraph plot(x, ...)
object of class loongraph
arguments forwarded to method
# NOT RUN { if (requireNamespace("Rgraphviz", quietly = TRUE)) { g <- loongraph(letters[1:4], letters[1:3], letters[2:4], FALSE) plot(g) } # }
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